# FX_Atan

## C Specification

      #include <nitro/fx/fx_trig.h>

      fx16 FX_Atan( fx32 x );

## Description

This function requests the arctangent for `x` by referencing an internal table. The result that it returns is an `fx16` type in radian units.

## Arguments

`x` | Fixed-point decimal in `fx32` format

## Return Values

Arctangent of `x`.

## See Also

`FX_Atan2`, `FX_AtanIdx`, `FX_Atan2Idx`

## Revision History

01/19/2004 Initial Version